20393560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46349}}^1$

素因数の和:46371

約数の個数: 32

約数和(自身を含む): 50058000

約数和(自身を除く): 29664440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46349, 92698, 185396, 231745, 370792, 463490, 509839, 926980, 1019678, 1853960, 2039356, 2549195, 4078712, 5098390, 10196780, 20393560]

約数ペア:

[(1, 20393560), (2, 10196780), (4, 5098390), (5, 4078712), (8, 2549195), (10, 2039356), (11, 1853960), (20, 1019678), (22, 926980), (40, 509839), (44, 463490), (55, 370792), (88, 231745), (110, 185396), (220, 92698), (440, 46349)]